In klinefelter syndrome males have chromosomes xxy. this is an example of:
a. non-disjunction of sex chromosomes
b. crossing over
c, chromosomal rearrangement

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?

If an organ has six haploid chromosomes,how many chromosomes are present. 6 12

What contributes to the high level of biodiversity found in wetlands? a. the large amount of available organic matter to organisms that are food for larger organisms b. the amount of available water for organism use c. the high nutrient availability d. all of the above select the best answer from the choices provided a b c d